Eltschka, Christopher and Osterloh, Andreas and Siewert, Jens (2009) Possibility of generalized monogamy relations for multipartite entanglement beyond three qubits. PHYSICAL REVIEW A, 80 (3): 032313. ISSN 1050-2947,
Full text not available from this repository.Abstract
We discuss the possibility to interpret the residual entanglement for more than three qubits in terms of distributed multipartite entanglement or, in other words, possible extensions of the Coffman-Kundu-Wootters monogamy equality to higher qubit numbers. Existing knowledge on entanglement in multipartite systems puts narrow constraints on the form of such extensions. We study various examples for families of pure four-qubit states for which the characterization of three-qubit and four-qubit entanglement in terms of polynomial invariants is known. These examples indicate that, although families with such extensions do exist, a generalized monogamy equality cannot be found along those lines.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | MONOTONES; SYSTEMS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 09 Sep 2020 07:06 |
| Last Modified: | 09 Sep 2020 07:06 |
| URI: | https://pred.uni-regensburg.de/id/eprint/28532 |
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